/Engine/Plugins/NetcodeUnitTest/NetcodeUnitTest/Source/NetcodeUnitTest/Public/NUTUtil.h
Output device for allowing quick/dynamic creation of a customized output device, using lambda's passed to delegates
class FDynamicOutputDevice : public [FOutputDevice](API\Runtime\Core\Misc\FOutputDevice)
FOnFlushOrTearD...
OnFlush
FOnSerialize
OnSerialize
FOnFlushOrTearD...
OnTearDown